That's about typical milage for mixed driving.
Only conditions I consistantly get over 12 mpg are long drives on highways without any stop lights and signs.
EGR may help help the milage slightly. Without it, there might be a little bit of efficiency to be found in slight tweaks to the mid to high timing. Simplest experiment will be if the vac advance can be brought in a little sooner to any effect. Any other experiments will be a fair amount of work.
Only conditions I consistantly get over 12 mpg are long drives on highways without any stop lights and signs.
EGR may help help the milage slightly. Without it, there might be a little bit of efficiency to be found in slight tweaks to the mid to high timing. Simplest experiment will be if the vac advance can be brought in a little sooner to any effect. Any other experiments will be a fair amount of work.
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